body {
	margin: 0;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto",
		"Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans",
		"Helvetica Neue", sans-serif;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

code {
	font-family: source-code-pro, Menlo, Monaco, Consolas, "Courier New",
		monospace;
}

.mask {
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.5);
	position: fixed;
	top: 0;
	left: 0;
	z-index: 100;
	display: flex;
	justify-content: center;
	align-items: center;
}
